00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*- 00002 00003 //----------------------------------------------------------------------------- 00004 // eoCtrlCContinue.h 00005 // (c) EEAAX 1996 - GeNeura Team, 1998 - Maarten Keijzer 2000 00006 /* 00007 This library is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU Lesser General Public 00009 License as published by the Free Software Foundation; either 00010 version 2 of the License, or (at your option) any later version. 00011 00012 This library is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 Lesser General Public License for more details. 00016 00017 You should have received a copy of the GNU Lesser General Public 00018 License along with this library; if not, write to the Free Software 00019 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 00021 Contact: todos@geneura.ugr.es, http://geneura.ugr.es 00022 Marc.Schoenauer@polytechnique.fr 00023 mak@dhi.dk 00024 */ 00025 //----------------------------------------------------------------------------- 00026 // the same thing can probably be done in MS environement, but I hoave no way 00027 // to test it so at the moment it is commented out when in MSVC 00028 00029 00030 #ifndef eoCtrlCContinue_h 00031 #define eoCtrlCContinue_h 00032 00033 #include <signal.h> 00034 #include <eoContinue.h> 00035 00036 extern bool arret_demande, existCtrlCContinue; 00037 00038 extern void signal_handler( int sig ); 00039 00040 00044 template< class EOT> 00045 class eoCtrlCContinue: public eoContinue<EOT> 00046 { 00047 public: 00048 00050 eoCtrlCContinue() 00051 { 00052 // First checks that no other eoCtrlCContinue does exist 00053 if (existCtrlCContinue) 00054 throw std::runtime_error("A signal handler for Ctrl C is already defined!\n"); 00055 00056 #ifndef _WINDOWS 00057 #ifdef SIGQUIT 00058 signal( SIGINT, signal_handler ); 00059 signal( SIGQUIT, signal_handler ); 00060 existCtrlCContinue = true; 00061 #endif 00062 #endif 00063 00064 } 00065 00068 virtual bool operator() ( const eoPop<EOT>& _vEO ) 00069 { 00070 if (arret_demande) 00071 return false; 00072 return true; 00073 } 00074 00075 virtual std::string className(void) const { return "eoCtrlCContinue"; } 00076 }; 00077 00078 00079 #endif 00080 00081 // of MSVC comment-out